Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168411 | Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals | Robert T. Bondokov, James R. Grandusky, Jianfeng Chen, Shichao Wang, Thomas Miebach +2 more | 2021-11-09 |
| 11162301 | Roll-up door with spiral brackets | Ruiping Ouyang, Thomas Joseph Steckbeck, Kazuo Mita | 2021-11-02 |
| 11028639 | Low friction high speed roll door at high wind loads | Ruiping Ouyang, Sree Lakshmi Kanuri | 2021-06-08 |
| 10950407 | Electron gun | Misao Iseki, Hideyuki Obata | 2021-03-16 |